RESTRUCTURING, IMPAIRMENT AND OTHER CHARGES - Schedule of Integration Restructuring (Details) - Clariant Color Acquisition Integration, Restructuring Plan - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Mar. 31, 2026	Dec. 31, 2025
Restructuring Reserve [Roll Forward]
Beginning balance	$ 35.3	$ 10.9
Restructuring charges	4.0	45.6
Payments, utilization and translation		(21.2)
Ending balance	30.2	35.3
Workforce reductions
Restructuring Reserve [Roll Forward]
Beginning balance	35.3	10.1
Restructuring charges	0.8	38.1
Payments, utilization and translation	(5.9)	(12.9)
Ending balance	30.2	35.3
Plant closing and other
Restructuring Reserve [Roll Forward]
Beginning balance	0.0	0.8
Restructuring charges	3.2	7.5
Payments, utilization and translation	(3.2)	(8.3)
Ending balance	$ 0.0	$ 0.0

- Definition

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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